4x+5>8x−74x+5>8x-74x+5>8x−7
3x+5<353x+5<353x+5<35
−4x2−28−48-4x^2-28-48−4x2−28−48
d4ydx4 y=sex+cosx\frac{d^4y}{dx^4}\:y=sex+cosxdx4d4yy=sex+cosx
4−2x>10−5x4-2x>10-5x4−2x>10−5x
(2x2+y2)(2x2+y2)\left(2x^2+y^2\right)\left(2x^2+y^2\right)(2x2+y2)(2x2+y2)
x3y′=eyx^3y'=e^yx3y′=ey
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